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   <div id="projectname">gbmath
   &#160;<span id="projectnumber">v0.051</span>
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   <div id="projectbrief">c++ math library</div>
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<a href="line3d_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;﻿</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#ifndef __GBMATH_H__</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span><span class="preprocessor">    #error  DO NOT INCLUDE THIS FILE. USE:   #include &lt;gbmath/_gbmath.h&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="keyword">namespace </span>gbmath</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;{</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html">   19</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classgbmath_1_1line3d.html" title="Line (Direct) in the three-dimensional space by two points. ">line3d</a> </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    {</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">   22</a></span>&#160;        <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>   <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">   23</a></span>&#160;        <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>   <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#aa5bed3ebc9fe87653e06c95a5fb8d8e4">   25</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line3d.html#aa5bed3ebc9fe87653e06c95a5fb8d8e4">line3d</a>()  { }</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#aa66e5590f6ce882eb96f52b60e3110cd">   27</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line3d.html#aa66e5590f6ce882eb96f52b60e3110cd">line3d</a>(<span class="keyword">const</span> <a class="code" href="classgbmath_1_1line3d.html" title="Line (Direct) in the three-dimensional space by two points. ">line3d</a>&amp; l) </div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        {</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>  = l.<a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a> = l.<a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        }</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#a841dbcd7291169e81a1bbb9c466fc296">   33</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line3d.html#a841dbcd7291169e81a1bbb9c466fc296">line3d</a>(<span class="keyword">const</span>  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>&amp; _src, <span class="keyword">const</span> <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>&amp; _dest) </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>  = _src; </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a> = _dest; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        }</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#a5d77fd63022e21989b208d339dd89b84">   40</a></span>&#160;        <span class="keyword">inline</span>  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a> <a class="code" href="classgbmath_1_1line3d.html#a5d77fd63022e21989b208d339dd89b84" title="Get used to the direction src -&gt; dest. ">direction</a>()<span class="keyword"> const </span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">        </span>{  </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;            <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a> r (<a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a> - <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>); </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            r.<a class="code" href="structgbmath_1_1vec3.html#a3206299b452ccb51fb816a29e8db7739">normalize</a>(); </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;            <span class="keywordflow">return</span> r; </div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        }</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">        #if ( defined(GB_OPENGL) &amp;&amp;  defined(__GL_H__) )</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor"></span>        <span class="keyword">inline</span> <span class="keywordtype">void</span> glVertex() </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        { </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            glVertex3f(<a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>); </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            glVertex3f(<a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>);   </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        }</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#a55830474daf11af2bafce7eb2f72e7e6">   58</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgbmath_1_1line3d.html#a55830474daf11af2bafce7eb2f72e7e6">operator += </a>(<span class="keyword">const</span> <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>&amp; v)</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>  += v;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a> += v;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        }</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#aebce33c6f1cbff29b3422cab9122d5f8">   64</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgbmath_1_1line3d.html#aebce33c6f1cbff29b3422cab9122d5f8">operator -= </a>(<span class="keyword">const</span> <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>&amp; v)</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>  -= v;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a> -= v;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        }</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#a7fd7a9322b3e53259b2c1bcdf3a039f5">   70</a></span>&#160;        <span class="keyword">operator</span> std::string()<span class="keyword"> const</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            std::ostringstream oss;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            oss &lt;&lt; <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            oss &lt;&lt; <span class="stringliteral">&quot;    &quot;</span>;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            oss &lt;&lt; <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keywordflow">return</span> oss.str();</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#ace60e880519ca4e1e32e95780de9ad41">   79</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classgbmath_1_1line3d.html#ace60e880519ca4e1e32e95780de9ad41">operator = </a>(<span class="keyword">const</span> std::string&amp; str) <span class="keywordflow">throw</span>(std::runtime_error)</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            std::istringstream iss(str);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            iss &gt;&gt; <a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            iss &gt;&gt; <a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            <span class="keywordflow">if</span>( iss.fail() )</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            {</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;bad argument&quot;</span>);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;            }</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        }</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classgbmath_1_1line3d.html#aa0c99f4412067923dc1652d360424cbf">   92</a></span>&#160;        <span class="keyword">friend</span>  std::ostream&amp; <a class="code" href="classgbmath_1_1line3d.html#aa0c99f4412067923dc1652d360424cbf">operator &lt;&lt; </a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code" href="classgbmath_1_1line3d.html" title="Line (Direct) in the three-dimensional space by two points. ">line3d</a>&amp; a)</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            os &lt;&lt; a.<a class="code" href="classgbmath_1_1line3d.html#af0cf8eba19db43549d92cf08ee3b9fab">src</a>;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            os &lt;&lt; <span class="stringliteral">&quot;   &quot;</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            os &lt;&lt; a.<a class="code" href="classgbmath_1_1line3d.html#aedbfac4f8556e3d2c9f1848df890d4da">dest</a>;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            <span class="keywordflow">return</span> os;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    };</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div>
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